11001120255 has 24 divisors (see below), whose sum is σ = 19083617280. Its totient is φ = 5862646080.

The previous prime is 11001120253. The next prime is 11001120307. The reversal of 11001120255 is 55202110011.

It is not a de Polignac number, because 11001120255 - 2¹ = 11001120253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001120253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38016 + ... + 153125.

It is an arithmetic number, because the mean of its divisors is an integer number (795150720).

Almost surely, 2^11001120255 is an apocalyptic number.

11001120255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11001120255 is a deficient number, since it is larger than the sum of its proper divisors (8082497025).

11001120255 is a wasteful number, since it uses less digits than its factorization.

11001120255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192431 (or 192428 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 11001120255 its reverse (55202110011), we get a palindrome (66203230266).

The spelling of 11001120255 in words is "eleven billion, one million, one hundred twenty thousand, two hundred fifty-five".